Deadlock Kelvin Guide
Kelvin is a brawler with 890 health and a medium range / heavy hitter / projectile kit. What each ability does and when to request Kelvin on a boost.
Kelvin's kit is control and sustain in one package. Frost Grenade damages and slows enemies while healing allies inside the same cloud, Arctic Beam drains a target's movement speed and fire rate the longer it stays on them, and Frozen Shelter drops a dome nothing can shoot through that rapidly regenerates allies inside it, so the booster is leveraging a hero who decides when fights happen and who walks out of them.
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Ability kit
Kelvin snapshot
Deadlock Wiki lists Kelvin as a brawler with 890 base health, 6.7 move speed, 3 stamina, and a medium range / heavy hitter / projectile weapon profile.
The ability set is Frost Grenade, Ice Path, Arctic Beam, Frozen Shelter.
Kelvin's kit is control and sustain in one package. Frost Grenade damages and slows enemies while healing allies inside the same cloud, Arctic Beam drains a target's movement speed and fire rate the longer it stays on them, and Frozen Shelter drops a dome nothing can shoot through that rapidly regenerates allies inside it, so the booster is leveraging a hero who decides when fights happen and who walks out of them.
Solo boost fit
In a solo boost the booster takes your account through the encrypted credential handoff and plays Kelvin as a fight dictator, not a passive healer. Arctic Beam is the booster's main tool: it slows a target's movement and fire rate the longer it stays on them and it can claim souls while channeling, so the booster wins trades and secures last hits with the same cast. Ice Path lets an Eternus 6 player rotate to whichever lane needs help and Frozen Shelter turns a lost dive into a reset, which makes Kelvin a stable solo request: his mistakes are recoverable in a way most heroes' mistakes are not.
Duo boost notes
In a duo boost you stay on your own account and the booster queues alongside you, so the coordination is about timing, not handoff. If you play Kelvin, call Frozen Shelter before you cast it so the booster knows whether to fight inside the dome or hold its edge, and throw Frost Grenade where the booster is standing since it heals allies and slows enemies in the same cloud. If the booster plays Kelvin, step onto the Ice Path when it appears because it speeds up allies who ride it, then commit onto whoever the Arctic Beam is already slowing.
When to request this hero
Request Kelvin by name when you are duo queuing and want a partner who can pull you out of a bad fight with Frozen Shelter, or when your account already has Kelvin games you want built on. Let the booster pick when you only care about the rank number, because Kelvin's value depends on teammates following up on his slows, and the booster can read from the draft whether that team exists.
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FAST ANSWERS
Should I request Kelvin for a Deadlock boost?
Yes, if you want a hero whose games are won through control and sustain rather than raw damage. Frost Grenade heals allies while slowing enemies, and Frozen Shelter makes objectives invulnerable for as long as the dome lasts, so a booster on Kelvin can stabilise games that are slipping. If you would rather the booster close games fast on a burst hero, leave the pick open.
Is Kelvin better for solo or duo boosting?
Kelvin works in both, but he gives more in duo. Frozen Shelter, Ice Path and Frost Grenade all get stronger when a partner is standing in them, and in a duo boost that partner is you on your own account. In solo the booster still carries with Arctic Beam and grenade trades, the games just lean on control rather than tempo.
What makes Kelvin different to boost with?
Most heroes boost by out-damaging the lobby. Kelvin boosts by deciding where fights happen: Ice Path moves the booster across the map faster than enemies expect, Arctic Beam cuts a target's fire rate and speed while it is held on them, and Frozen Shelter is a dome nothing gets through for as long as it lasts. That makes him forgiving of teammate mistakes, which matters at the ranks most accounts start from.